Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10822878 | Directional drilling control system and methods | Rocco DiFoggio, Hans-Martin Maurer | 2020-11-03 |
| 10495780 | Correcting shale volume and measuring anisotropy in invaded zone | Marina N. Nikitenko | 2019-12-03 |
| 9223047 | Formation resistivity measurements using phase controlled currents | Stanislav W. Forgang | 2015-12-29 |
| 8965704 | Apparatus and method for formation resistivity measurements in oil-based mud using a floating reference signal | Stanislav W. Forgang | 2015-02-24 |
| 8965702 | Formation resistivity measurements using multiple controlled modes | Stanislav W. Forgang | 2015-02-24 |
| 8829909 | Reservoir navigation using magnetic field of DC currents | — | 2014-09-09 |
| 8786287 | Collocated tri-axial induction sensors with segmented horizontal coils | Yuliy A. Dashevsky, Sergey V. Polozov | 2014-07-22 |
| 8773135 | Resistivity imaging using phase sensitive detection with a floating reference signal | — | 2014-07-08 |
| 8400158 | Imaging in oil-based mud by synchronizing phases of currents injected into a formation | Stanislav W. Forgang | 2013-03-19 |
| 8203344 | Method and apparatus for resistivity imaging in boreholes with an antenna and two spaced apart electrodes | Randy Gold, Rashid W. Khokhar, Alexandre N. Bespalov, Gregory B. Itskovich | 2012-06-19 |
| 8112227 | Processing of multi-component induction measurements in a biaxially anisotropic formation | Michael Rabinovich, Vladimir S. Mogilatov | 2012-02-07 |
| 8098071 | Resistivity imaging using phase sensitive detection with a floating reference signal | — | 2012-01-17 |
| 8060310 | Geosteering in earth formations using multicomponent induction measurements | Michael Rabinovich | 2011-11-15 |
| 8049507 | Transient EM for geosteering and LWD/wireline formation evaluation | Michael Rabinovich, Alexandre N. Bespalov, Stanislav W. Forgang, Daniel T. Georgi, Gregory B. Itskovich | 2011-11-01 |
| RE42493 | Apparatus and method for wellbore resistivity measurements in oil-based muds using capacitive coupling | Albert Alexy | 2011-06-28 |
| 7876102 | Mixed galvanic-inductive imaging in boreholes | Randy Gold, Rashid W. Khokhar, Alexandre N. Bespalov, Gregory B. Itskovich | 2011-01-25 |
| 7765067 | Geosteering in earth formations using multicomponent induction measurements | Michael Rabinovich | 2010-07-27 |
| 7714585 | Multi-frequency cancellation of dielectric effect | Marina N. Nikitenko | 2010-05-11 |
| 7710823 | Resistivity measurement through metal casing using magnetic field and magnetoacoustic phenomena | Vitaly N. Dorovsky, Yuriy A. Nefedkin, Kholmatzhon Imomnazarov | 2010-05-04 |
| 7567869 | Induction tool for detail evaluation of near borehole zone | Marina N. Nikitenko, Mikhail Epov | 2009-07-28 |
| 7496451 | Real time data quality control and determination of formation angles from multicomponent induction measurements using neural networks | Sheng Fang, Michael Rabinovich, Liming Yu | 2009-02-24 |
| 7420367 | High-frequency induction imager with concentric coils for MWD and wireline applications | Alexandre N. Bespalov, Michael Rabinovich, Stanislav W. Forgang | 2008-09-02 |
| 7421345 | Geosteering in earth formations using multicomponent induction measurements | Michael Rabinovich | 2008-09-02 |
| 7414407 | Method and apparatus for directional resistivity measurement while drilling | Tsili Wang, Boris Tchakarov, John A. Signorelli, Sheng Fang | 2008-08-19 |
| 7392137 | Determination of formation anistrophy, dip and azimuth | Michael Rabinovich | 2008-06-24 |